Which Is NOT a Compound

question 38

Multiple Choice

Which is NOT a compound?

• A)salt (NaCl)
• B)a carbohydrate (contains C, H and O)
• C)carbon (C)
• D)a nucleotide (contains P, C, H, and O)
• E)methane (CH₄)

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Definitions:

Menopause

A natural biological process marking the end of a woman's reproductive years, characterized by the cessation of menstruation.

Perimenopause

The transitional phase leading up to menopause, marked by changes in menstrual cycle and other symptoms due to fluctuating hormone levels.

Menarche

The first occurrence of menstruation in a female, signifying the onset of reproductive capability.

Amenorrhea

The absence of menstruation in a woman of reproductive age, which can be a symptom of various health conditions.